November - March:
Mon - Fri, 8:00AM to 4:30PM

The camping season is generally April 1 through October 31 each year as weather permits. Advanced notices of closures will be posted as soon as practicable.

Loud Thunder is the largest of the Rock Island Countyforest preserves at 1,621 acres. One of the main attractions at Loud Thunder is Lake George, a 167-acres man-made lake with depths up to 55 feet and stocked with many varieties of fish. Other amenities are:

Five campgrounds that include 117 campsites, including a Horse Corral campground